Home / 7,929.99-11,878.76-3,757.31

Finding the Fourth Proportional to 7,929.99, 11,878.76 and 3,757.31

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Solution

The fourth proportional to 7,929.99, 11,878.76 and 3,757.31 is: 5,628.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,929.99 : 11,878.76 = 3,757.31 : x
  2. Step 2: Convert to fraction form
    7,929.99/11,878.76 = 3,757.31/x
  3. Step 3: Cross multiply
    7,929.99x = 11,878.76 × 3,757.31
  4. Step 4: Simplify right side
    7,929.99x = 44,632,183.74
  5. Step 5: Solve for x
    x = 44,632,183.74/7,929.99
  6. Step 6: Final answer
    x = 5,628.28

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.